Ambient Weather WS-0900-IP Wireless Internet Remote Monitoring Weather Station, White

Weather Station Features:
Integrated sensor array measures wind speed, wind direction, and rainfall
Wireless outdoor thermo-hygrometer sensor
Wireless indoor thermo-hygrometer-barometer sensor
915 MHz RF wireless transmission with 300' line of sight range (100' under most conditions, with the exception of metal barriers)
48 second real-time updates on the ObserverIP and the internet
ObserverIP Features:
ObserverIP module connects to your router and sends data to Wunderground.com. Includes Ethernet cable and AC adapter.
Calibration for all measured parameters.
Supports both imperial and metric units of measure.
Publish real time data to Wunderground.com. No fees.
Wunderground.com Features:
The most popular personal weather station (PWS) hosting service in the world
Free 'cloud based' service
Real-time Streaming Updates (rapid fire flash view)
Weather Station Google Mapping
Historical data archiving (daily, monthly, yearly and custom).
WeatherCam integration with time lapse video and daily archiving (weathercams sold separately)
Personal weather station stickers for your website
Graphs and tabular data
Tab Separated File (tsv) export
Specifications:
Indoor Temperature Accuracy: ± 2 °F
Outdoor Temperature Accuracy: ± 2 °F
Indoor Humidity Accuracy: ± 5%
Outdoor Humidity Accuracy: ± 5%
Barometric Pressure Accuracy: ± 0.08 inHg (within range of 27.13 to 32.50 inHg)
Rain Accuracy: ± 10%
Wind Direction Accuracy: ± 45º (8 point compass)
Wind Speed Range: 0 to 110 mph (operational)
Wind Speed Accuracy: ± 2.2 mph or 10% (whichever is greater)
Power Specifications:
Indoor Remote sensor : 2xAAA batteries (not included)
Outdoor sensor array: 2xAA batteries (not included)